
.wrap{
    background:#444 url(../img/banner.jpg);
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    font-family:Tahoma,Arial,Roboto,”Droid Sans”,”Helvetica Neue”,”Droid Sans Fallback”,”Heiti SC”,sans-self;
    overflow: hidden;
}
.header{
    background: rgba(0,0,0,.4);
}
nav{
      background: #ccc;
      height: 50px;

}
.clear_fix:after{
    content: '';
    display: block;
    clear: both;
}
img{
    width: 100%;
}
h1{
    font-size: 32px;
}
h2{
    font-size: 27px;
}
h3{
    font-size: 22px;
}
p{
    font-size: 18px;
    letter-spacing: 1px;
}
#banner{
    /*background: #777;*/
    height: 600px;
    color: #fff;
}
nav ul li {
    display: inline-block;
    line-height: 50px;
    float: right;
    margin-right:30px;
    height: inherit;
}
nav ul li a {
    line-height:50px;
}
nav ul li.logo{
    float: left;
    margin-left:50px;
}
.active{
    position: relative;
 }
.active span{
    position: absolute;
    bottom: 5px;
    left: 0;
    height: 4px;
    width: 100%;
    background: #fff;
}
#banner .inner{
    max-width:300px;
    text-align: center;
    margin: 0 auto;
    position: relative;
    top: 160px;
}
.inner .line{
    background: #fff;
    width: 65%;
    margin-bottom: 10px;
}
#banner .inner h1{
    margin-bottom:20px;
}
#banner .inner .sub-heading{
    line-height: 30px;
}
button{
    background: #e85e17;
    color: #eee;
    padding: 10px 20px;
    border: none;
    margin-top: 20px;
    border-radius:5px;
    outline: none;
    cursor: pointer;

}
.inner button:hover{
    transform: rotate(1080deg) scale(2);
    transition: 2.5s;
    z-index: 99;

}
#banner .inner .more{
    margin-top:180px;
}
.logo{
    font-size: 20px;
    font-weight:700;
    letter-spacing:2px;
}
.logo a{
    color: #fff;
}
.part-one{
    text-align: center;
    color: #fff;
    background:rgba(67,178,165,1);;
    padding-top: 65px;
    opacity: 0.95;
}
.wraper{
    max-width: 1080px;
    margin: 0 auto;
}
.wraper h2{

padding: 15px 0;
}
.wraper p{
    padding: 15px 0;
}
.part-one .line{
    background: darkgrey;
    margin: 20px auto ;
    width: 40%;

}
.line{
    height: 2px;
    width: 100%;
    margin: 0 auto ;
}
.icon{
    margin-top: 20px;
    padding-bottom: 20px;

}
.icon  span img{
    transform: rotate(-45deg)
}
.icon>.item{
   width: 80px;
   height: 80px;
   display: inline-block;
   transform: rotate(45deg);
   margin:20px 30px ;
   border: solid 2px green;
}
/*.first{*/
     /*position: relative;*/

 /*}*/
.part-two{
    background:rgb(33,41,50);
    color: #fff;

    opacity: 0.95;
}
.first:nth-child(odd){
    background:rgba(255,255,255,.1);
}
.first>div{
float: left;
font-size: 0;
}
.first:after{
    content: '';
    display: block;
    clear: both;
}
.first_left{
    width: 45%;
}
.first_left img{
    width: 100%;
}
.first_text {
    width: 55%;
    position:relative ;
    top: 68px;
    left: 50px;
}
.first_text>*{
    max-width: 90%;
}
.first_text h2{
    margin-bottom: 10px;
    font-size: 24px;
}
.first_text p{

    font-size: 18px;
    letter-spacing: 2px ;
}
 .first .first_title{
     margin-top:0;
     margin-bottom: 22px;
     font-size: 20px;

 }

 .part-three{
     background: #3f3965;
     opacity: 0.9;
     color: #fff;
 }
.part-three .part-three_wrap{
     margin: 0 auto;
     max-width: 60%;
    padding-top:65px;
 }
.three_wrap{
    margin-bottom: 35px;
}
.three_wrap h2{
    text-align: center;
    margin-bottom: 25px;
}
.three_wrap .line{
    background: #1a0973;
    width: 55%;
    margin-bottom: 20px;
}
/*.card_grop{*/

/*}*/
.card{
    min-height: 300px;
    float: left;
    width: 50%;
    padding: 50px;
    max-width:272px;
    -webkit-box-sizing: bord    er-box;
    -moz-box-sizing: border-box;

}
.card h3{
    text-align: center;
}
.card p {
    margin-top: 20px;
    font-size: 18px;
}
.card:nth-child(1){
    background: rgba(0,0,0,0.05);
}
.card:nth-child(2){
    background: rgba(0,0,0,0.1);
}
.card:nth-child(3){
    background: rgba(0,0,0,0.15);
}
.card:nth-child(4){
    background: rgba(0,0,0,0.2);
}
.card:nth-child(5){
    background: rgba(0,0,0,0.25);
}
.card:nth-child(6){
    background: rgba(0,0,0,0.3);
}
.footer{
    background:#333;
    color: #fff;
    min-height: 200px;
    text-align: center;
    /*opacity: 0.95;*/
}
ul.share_group{
    display: block;
    margin: 0 auto;
    width: 1080px;
    padding: 45px;
}
.share_group li{
    display: inline-block;
    padding: 10px;
}
/*silder的样式*/
.mask{
    display: none;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.3);
}
#silder {
    /*display: none;*/
    position: fixed;
    right: -300px;
    top:0;
    bottom: 0;
    width: 300px;
    background: #333;
    padding: 20px 0;
    transition:.4s;
}
#silder ul a {
    padding: 20px;
    color: #fff;
    width: 100%;
    display: inline-block;
}
#silder ul a:hover{
    background: #666;
}
.top{
    display: none;
    position: fixed;
    right: 50px;
    bottom: 80px;
    width: 50px;
    height: 30px;
    /*background: dodgerblue;*/
}
.top p,img{
    text-align: center;
    width: 100%;

}